Operation:
Press down the Power Switch to “ON” (for 6pcs type only).
When the timer is set to “ON”, the eraser is in the status of continuous working.
Turn the timer clockwise to set the working period. One cycle is 60 minutes.

Warranty and Caution:
The warranty period is one year. To prevent damage, please do not open and assemble it by yourself and transfer it to qualified electricians or the distributor if any problem occurs.